Document bBr9RG2Oz7goNpaOM12bKg773

Par Pacific Wyoming Refining Company Operational Update Newcastle, Wyoming, February 13, 2025 - Wyoming Refinery Company (the "Company") experienced an operational upset on the evening of February 12, 2025. No one was injured, and refinery fence-line monitoring indicates no safety or environmental concerns. The refinery will remain idled in the near term as refinery personnel investigate the incident and evaluate when to restart the facility. Our top priority remains the health and safety of our employees and local community. Wyoming Refining Company is wholly owned and operated by Par Pacific Holdings, Inc. About Par Pacific Par Pacific Holdings, Inc. (NYSE: PARR), headquartered in Houston, Texas, is a growing energy company providing both renewable and conventional fuels to the western United States. Par Pacific owns and operates 219,000 bpd of combined refining capacity across four locations in Hawaii, the Pacific Northwest and the Rockies, and an extensive energy infrastructure network, including 13 million barrels of storage, and marine, rail, rack, and pipeline assets. In addition, Par Pacific operates the Hele retail brand in Hawaii and the "nomnom" convenience store chain in the Pacific Northwest. Par Pacific also owns 46% of Laramie Energy, LLC, a natural gas production company with operations and assets concentrated in Western Colorado. More information is available at [ HYPERLINK "https://www.globenewswire.com/Tracker?data=WeDmtr3buCHmq2_v3zW2OH7nKceLzcVse6XdFXPd mmpfu28PC25_2oV3IO2T1Eup0yBrv0rQAvmuPxZJVq96v63C5PZJbWbKrOWSTRwAHc0=" \t "_blank" \o "Opens in a new window" ]. Contact: Dallas Scholes Director, Government and Public Affairs (281) 814-6159 Dscholes@parpacific.com #### Sierra Club FOIA Request: 2025-EPA-04193 ED_018475D_00003218-00001 SC_EVERSPLIT0007485